Update documentation to reflect latest changes.

Author: hreikin

README.md

@@ -31,6 +31,7 @@ provided by `tkinterweb`.
 ### Built With
 
 - [Pygments](https://github.com/pygments/pygments)
+- [Pymdownx](https://facelessuser.github.io/pymdown-extensions/)
 - [Python](https://www.python.org/)
 - [Python Markdown](https://github.com/Python-Markdown/markdown)
 - [tkinter](https://docs.python.org/3/library/tkinter.html)

docs/README.md

@@ -19,6 +19,7 @@ provided by `tkinterweb`.
 ### Built With
 
 - [Pygments](https://github.com/pygments/pygments)
+- [Pymdownx](https://facelessuser.github.io/pymdown-extensions/)
 - [Python](https://www.python.org/)
 - [Python Markdown](https://github.com/Python-Markdown/markdown)
 - [tkinter](https://docs.python.org/3/library/tkinter.html)

docs/reference/tkintermd-frame.md

@@ -9,19 +9,20 @@ authors:
     selection:
       members:
         - popup
-        - on_scrollbar
-        - on_mousewheel
         - select_all
         - find
         - open_md_file
         - save_as_md_file
         - save_md_file
+        - save_as_html_file
         - on_input_change
         - load_style
-        - check_markdown
+        - check_markdown_highlighting
         - apply_markdown_both_sides
         - remove_markdown_both_sides
-        - check_bold_italic
+        - check_markdown_both_sides
+        - change_template
+        - enable_edit
     rendering:
       show_root_heading: true
       show_source: false